Definition: You are given a question on college medicine. You are also given 4 answer options (associated with "A", "B", "C", "D"), out of which only one is correct. You need to answer the question by selecting the correct option. You should only answer with the choice letter, not the whole answer.
Input: What type of covalent bonds link the amino acids in a protein?
(A)Peptide bonds (B)Hydrogen bonds (C)Ionic bonds (D)Glycosidic bonds

A